<template>
  <div class="containers">
    <div class="container">
      <div class="handle-box">
        <el-button type="primary" icon="el-icon-plus" class="handle-add mr10" @click="addregion"
          size="small">添加</el-button>
        <el-select v-model="first" @change="setfirst" placeholder="请选择一级分类" size="small" class="mr10">
          <el-option v-for="(item, index) in primaryclassification" :key="item.ID" :label="item.name"
            :value="item.ID"></el-option>
        </el-select>
        <el-select v-model="secondClass" @change="getData" placeholder="请选择二级分类" size="small" class="mr10">
          <el-option v-for="(item, index) in secondaryclassification" :key="item.ID" :label="item.name"
            :value="item.ID"></el-option>
        </el-select>

        <el-input v-model="keyword" placeholder="分类名称" class="handle-input mr10" size="small"></el-input>
        <el-button type="primary" icon="el-icon-search" @click="getData" class="mr10" size="small">搜索</el-button>
      </div>
      <el-table :data="tableData" class="table" ref="multipleTable" header-cell-class-name="table-header"
        @selection-change="handleSelectionChange" v-loading="loading">
        <!-- <el-table-column type="selection" width="55" align="center"></el-table-column> -->

        <el-table-column prop="name" label="分类名称"></el-table-column>
        <el-table-column label="展示图片" align="center">
          <template slot-scope="scope">
            <el-image class="table-td-thumb" :src="scope.row.img" :preview-src-list="[scope.row.img]"></el-image>
          </template>
        </el-table-column>
        <el-table-column prop="sort" label="排序">
          <template slot-scope="scope">
            <el-input v-model="scope.row.sort" @blur="operations(scope.row, 1)"></el-input>
          </template>
        </el-table-column>
        <el-table-column label="是否显示" align="center">
          <template slot-scope="scope">
            <el-tag :type="scope.row.is_display ? 'success' : 'danger'">{{
              scope.row.is_display ? '是' : '否' }}</el-tag>
          </template>
        </el-table-column>
        <el-table-column label="操作" width="180" align="center">
          <template slot-scope="scope">
            <el-button type="text" icon="el-icon-edit" @click="handleEdit(scope.row)">编辑</el-button>
            <el-button type="text" icon="el-icon-delete" class="red"
              @click="handleDelete(scope.$index, scope.row)">删除</el-button>
            <el-button type="text" @click="copy('/pages/commodity/list?class_third_id='+scope.row.ID)">复制链接</el-button>
          </template>
        </el-table-column>
      </el-table>
      <div class="pagination">
        <el-pagination background layout="total, prev, pager, next" :current-page="query.pageIndex"
          :page-size="query.pageSize" :total="pageTotal" @current-change="handlePageChange"></el-pagination>
      </div>
    </div>

    <!-- 编辑/添加弹出框 -->
    <el-dialog :title="type ? '编辑' : '添加'" :visible.sync="editVisible" width="30%">
      <el-form ref="form" :model="form" label-width="70px">
        <el-form-item label="一级分类">
          <el-select v-model="one" @change="getfirst" placeholder="请选择一级分类" size="small" class="mr10">
            <el-option v-for="(item, index) in primaryclassification" :key="item.ID" :label="item.name" :value="item.ID">
            </el-option>
          </el-select>
        </el-form-item>
        <el-form-item label="二级分类">
          <el-select v-model="form.class_second_id" placeholder="请选择二级分类" size="small" class="mr10">
            <el-option v-for="(item, index) in secondaryclassification" :key="item.ID" :label="item.name"
              :value="item.ID">
            </el-option>
          </el-select>
        </el-form-item>
        <el-form-item label="分类名称"><el-input v-model="form.name"></el-input></el-form-item>
        <el-form-item label="排序"><el-input v-model="form.sort" type="Number"></el-input></el-form-item>
        <el-form-item label="是否展示">
          <el-switch :active-value="1" :inactive-value="0" v-model="form.is_display"></el-switch>
        </el-form-item>
        <el-form-item label="展示图片">
				<div style="color:red;">比例:100/100</div>
          <el-upload class="avatar-uploader" :action="upload + '/'" :show-file-list="false" :data="upimg"
            :on-success="handleAvatarSuccess" :before-upload="beforeupload">
            <img v-if="imageUrl" :src="imageUrl" class="avatar" />
            <i v-else class="el-icon-plus avatar-uploader-icon"></i>
          </el-upload>
        </el-form-item>
      </el-form>
      <span slot="footer" class="dialog-footer">
        <el-button @click="cancel">取 消</el-button>
        <el-button type="primary" @click="saveEdit">确 定</el-button>
      </span>
    </el-dialog>
  </div>
</template>

<script>
export default {
  name: 'basetable',
  data() {
    return {
      options: [{ key: '轮播', }, { key: '广告', id: 1 }, { key: '商家轮播', id: 2 }], // 下拉选项
      form: {
        name: '',
        img: '',
        sort: 0,
        is_display: 1,
        class_second_id: ''
      },
      query: {
        pageIndex: 1,
         pageSize: 20
      },
      upimg: {
        token: '',
        key: new Date().valueOf()
      },
      code: 0,
      upload: '',
      keyword: '',
      tableData: [],
      multipleSelection: [],
      editVisible: false,
      pageTotal: 0,
      imageUrl: '',
      type: 0,
      primaryclassification: [],
      secondaryclassification: [],
      first: '',
      two:'',
      secondClass: '',
      one:'',
      loading:false
    };
  },
  created() {
    this.getToken().then(res => {
      this.upimg.token = res.data.token
      this.url = res.data.url
      this.upload = res.data.upload
    },
      function () {
        console.log('请求失败处理');
      }
    )
    this.init()
  },
  methods: {
		copy(row) {
      // 创建一个input框
      const input = document.createElement('input')
      // 将指定的DOM节点添加到body的末尾
      document.body.appendChild(input)
      // 设置input框的value值为复制的值
      const address = row
      input.setAttribute('value', address)
      // 选取文本域中的内容
      input.select()
      // copy的意思是拷贝当前选中内容到剪贴板
      // document.execCommand（）方法操纵可编辑内容区域的元素
      // 返回值为一个Boolean，如果是 false 则表示操作不被支持或未被启用
      if (document.execCommand('copy')) {
        document.execCommand('copy')
      }
      // 删除这个节点
      document.body.removeChild(input)
      // 弹窗：复制成功
      this.$message.success('复制成功');
      //
    },
    //JSON.stringify(this.property_vals.split(','))
    init() {
      this.request('admin/firstClass/', 'get', { page: 1, size: 100, keyword: '' }).then(res => {
        console.log('一级分类', res.data.data.length, res.data.data[0].ID)
        this.primaryclassification = res.data.data
        if (res.data.data.length) {
          this.first = res.data.data[0].ID
          this.request('admin/secondClass/', 'get', { class_first_id: res.data.data[0].ID, page: 1, size: 100, keyword: '' }).then(res => {
            console.log('一级分类', res.data.data.length, res.data.data[0].ID)
            this.secondaryclassification = res.data.data
            if (res.data.data.length) {
              this.secondClass = res.data.data[0].ID
              this.getData()
            }
          })
        }
      })
    },
    setfirst(){
      this.secondClass=''
      let that=this
      this.request('admin/secondClass/', 'get', { class_first_id: this.first, page: 1, size: 100, keyword: '' }).then(res => {
            console.log('一级分类', res.data.data.length, res.data.data[0].ID)
            this.secondaryclassification = res.data.data
            if (res.data.data.length) {
              // this.secondClass = res.data.data[0].ID
              // that.getData()
            }
          })
    },
    getfirst(e) {
      this.request('admin/secondClass/', 'get', { class_first_id: e, page: 1, size: 100, keyword: '' }).then(res => {
        console.log('一级分类', res.data.data.length, res.data.data[0].ID)
        this.secondaryclassification = res.data.data
        if (res.data.data.length) {
          this.secondClass = res.data.data[0].ID
        }
      })
    },
    // 上传图片
    handleAvatarSuccess(res, file) {
      this.form.img = this.url + res.key;
      this.imageUrl = URL.createObjectURL(file.raw);
    },
    beforeupload(file) {
      if (file.type !== 'image/jpeg' && file.type !== 'image/png') {
        this.$message.error('上传头像图片只能是 JPG、PNG 格式!');
        return false;
      }
      if (file.size / 1024 / 1024 > 1) {
        this.$message.error('上传图标大小不能超过 1M!');
        return false;
      }
      let types = file.name.split('.')//获取图片格式
      this.upimg.key = this.$template+'/home/' + new Date().valueOf() + '.' + types[types.length - 1];
    },
    //获取数据
    getData() {
      	this.loading=true
      this.request('admin/thirdClass/', 'get', { class_second_id: this.secondClass, page: this.query.pageIndex, size: this.query.pageSize, keyword: this.keyword }).then(res => {
        // console.log(res)
        this.tableData = res.data.data
        this.pageTotal = res.data.total
      })
      	this.loading=false
    },
    // 编辑
    handleEdit(e) {
      this.editVisible = true;
      this.form = e;
      this.imageUrl = e.img;
      this.type = 1
    },
    cancel() {
      this.editVisible = false;
      this.form = {
        name: '',
        img: '',
        sort: 0,
        is_display: 1,
        class_second_id: ''

      };
      this.getData();
    },
    // 修改排序
    operations(e, code) {
      console.log(e)
      e.sort = Number(e.sort)
      console.log(e)
      this.request('admin/thirdClass/', 'put', e).then(res => {
        if (res.errno == 0) {
          this.$message.success(res.errmsg);
      this.editVisible = false;
      this.getData();
        } else {
          this.$message.error(res.errmsg);
        }
      });
    },
    // 删除操作
    handleDelete(index, row) {
      // 二次确认删除
      this.$confirm('确定要删除吗？', '提示', {
        type: 'warning'
      })
        .then(() => {
          this.request('admin/thirdClass/', 'delete', { ID: row.ID }).then(res => {
            if (res.errno == 0) {
              this.$message.success(res.errmsg);
              this.tableData.splice(index, 1)
              this.getData()
            } else {
              this.$message.error(res.errmsg);
            }
          });
        })
    },
    // 多选操作
    handleSelectionChange(val) {
      this.multipleSelection = val;
    },
    // 添加
    addregion() {
      this.form = {
        name: '',
        img: '',
        sort: 0,
        is_display: 1,
        class_second_id: ''

      };
      this.type = 0
      this.imageUrl = '';
      this.editVisible = true;
    },

    // 添加/修改
    saveEdit() {
			this.form.sort=Number(this.form.sort)
      if (!this.form.class_second_id) return this.$message.error('请选择一级分类');
      if (!this.form.name) return this.$message.error('请输入分类');
      if (!this.form.img) return this.$message.error('请上传图片');
      this.request('admin/thirdClass/', this.type ? 'put' : 'post', this.form).then(res => {
        if (res.errno == 0) {
          this.$message.success(res.errmsg);
          this.form = {
            name: '',
            img: '',
            sort: 0,
            is_display: 1,
            class_second_id: ''
          };
          this.one=''
				this.getData();
      this.editVisible = false;
        } else {
          this.$message.error(res.errmsg);
        }
      });
    },
    // 分页导航
    handlePageChange(val) {
      this.$set(this.query, 'pageIndex', val);
      this.getData();
    }
  }
};
</script>

<style scoped>
.container {
  padding: 20px;
}

.el-upload--text {
  width: 200px !important;
}

.avatar-uploader .el-upload {
  border: 1px dashed #d9d9d9;
  border-radius: 6px;
  cursor: pointer;

  position: relative;
  overflow: hidden;
}

.avatar-uploader .el-upload:hover {
  border-color: #409eff;
}

.avatar-uploader-icon {
  font-size: 28px;
  color: #8c939d;
  /* width: 100px; */
  height: 100px;
  line-height: 100px;
  text-align: center;
}

.avatar {
  width: 100%;
  height: 178px;
  display: block;
}

.handle-box {
  margin-bottom: 20px;
}

.handle-select {
  width: 120px;
}

.handle-input {
  width: 300px;
  display: inline-block;
}

.table {
  width: 100%;
  font-size: 14px;
}

.red {
  color: #ff0000;
}

.mr10 {
  margin-right: 10px;
}

.table-td-thumb {
  display: block;
  margin: auto;
  width: 60px;
  height: 60px;

  .el-image img {
    object-fit: cover;
  }
}

/* 设置分页按钮样式 */
.pagination {
  margin-top: 20px;
  display: flex;
  justify-content: flex-end;
}</style>
